Sliding contact surface-forming material, and multi-layered sliding contact component having the same
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[0082]The present invention will be detailed below referring to Examples. It is to be understood that the present invention is not limited to Examples below, without departing from the spirit thereof.
Example
Examples 1 to 3
(Reinforcing Base for Sliding Contact Surface-Forming Material)
[0083]A single twist yarn formed by left-twisting (Z-twisting) at 280 T / m of a 400-denier spun yarn spun from PTFE fiber used as the fluorine-containing resin fiber, and a single twist yarn formed by left-twisting (Z-twisting) at 280 T / m of a No. 30-cotton-count spun yarn spun from polyester fiber, were prepared. One each of the single twist yarns were paralleled, and these two single twist yarns were twisted at 275 T / m in the direction (S-direction) opposite to the direction (Z-direction) in which the single twist yarns were spun, to form a ply yarn. Using the ply yarn as the warp (vertical yarn) and the weft (horizontal yarn), a flat-woven fabric having a density of 40 picks / inch for the horizontal yarn, and 40 ends / inch for the vertical yarn was produced. The flat-woven fabric was used later as a reinforcing base for the sliding contact surface-forming material.
(Resol-Type Phenolic Resin)
[0084]Into a se...
Example
[0087](Example 1) reinforcing base (flat-woven fabric)=43.5% by weight, PTFE=13% by weight, and resol-type phenolic resin=43.5% by weight;
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